| 单词 | probability sampling |
| 释义 | probability sampling noun[U] MARKETINGukustheprocessof gettinginformationbyaskingquestionsof agroupofpeoplewho arechosenbychance, so that theanswerswill betypicalof those of thegeneralpopulation: Based on aprobabilitysampling, theactivitieswere having thedesiredeffect. Compare non probability sampling Examplesofprobability samplingprobability sampling Probabilitysampling, or random sampling, is a sampling technique in which the probability of getting any particular sample may be calculated. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.Even studies intended to useprobabilitysamplingsometimes end up using nonprobability samples because of characteristics of the sampling method. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The advantage of nonprobability sampling is its lower cost compared toprobabilitysampling. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In academic and government survey research,probabilitysamplingis a standard procedure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.If the intent is to generalize from the research participants to a larger population, the researcher will employprobabilitysamplingto select participants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Subjects were elderly community residents, ranging from 65 to 79 years old, randomly selected from the resident registration lists with a twostageprobabilitysampling. From theCambridge English Corpus In the first stage, localities were divided into eight strata and then seventy-one localities were selected from these strata with simpleprobabilitysampling. From theCambridge English Corpus The basis of that survey was multi-stageprobabilitysampling. From theCambridge English Corpus Withprobabilitysampling, each unit in the survey population has a known, positive probability of selection. From theCambridge English Corpus The sampling method employed for the educators was one ofprobabilitysampling. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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